Just two steps to quickly modify the WinPE drive letter

first step: open the WINPE.INI file, modify it: //configuration file start MOUN %CurDrv%\\MINIPE\\OP.WIM, W:, 1 ENVI OPDir=W: \\External program second step: decompress WinPE.IS_ kernel, there is a SETUPREG.HI_ under system32, and then decompress, get SETUPREG.HIV, use Registry Workshop to load the registry configuration unit WinPE, there are two Change: [HKEY_LOCAL_MACHINE\\pe\\ControlSet001\\Control\\Session Manager\\Environment] "Path"="%SystemRoot%;%SystemRoot%\\System32;W:\\external program\\PE_OUTERPART\\MMC;W:\\external program \\Internet Explorer" [HKEY_LOCAL_MACHINE\\pe\\ControlSet001\\Services\\Ramdriv\\Parameters] "DriveLetter"="W:" Save and repackage OK.